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Southwest Streetworks is a street rod supply company. We offer GM 4L60E, 4L65E, 4L70E, 4L80E and T-56 mechanical speedometer conversion kits. These kits will convert your T-56 six speed, 4L60E, 4L65E, 4L70E, 4L80E, and 4L85E to the stock manual speedometer configuration without interrupting any electronical function. This is a simple 30 minute bolt-on installation. The conversion kit includes the tail housing, new speedometer sleeve with new driven gear, new VSS sensor, new reluctor/ drive gear assembly,bolts, and complete assembly instructions.

See the Tail Housing Kits page for pricing.


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1993 - 1997 4L60E

1998 & Up 4L60E



T56
4L80E KIT

Smooth carbon fiber fuel rail covers are also available for the LT1 and the LS1 engines. These covers are available in red, white, or black gel-cote. The gel-cote can be painted a custom color if desired. These covers retrofit and use the engines existing fuel rail cover mounting system.

See the Fuel Rail Covers page for pricing.





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